Composition as well as metro composition brake shoe and preparation method thereof

The invention discloses a composition, as well as a metro composition brake shoe and a preparation method thereof. The composition is composed of the following components in parts by weight: 3-7 parts of nitrile rubber, 10-14 parts of butadiene rubber, 2-8 parts of phenolic resin, 25-29 parts of gra...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN CHAOYANG, HE CHUNJIANG, PEI DINGFENG, ZHANG HENG, ZHANG GUOWEN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING BRAKES CHEMISTRY CLUTCHES COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a composition, as well as a metro composition brake shoe and a preparation method thereof. The composition is composed of the following components in parts by weight: 3-7 parts of nitrile rubber, 10-14 parts of butadiene rubber, 2-8 parts of phenolic resin, 25-29 parts of graphite, 21-25 parts of basalt fiber, 20-26 parts of bauxite, 1-5 parts of vermiculite, 0.4-0.9 part of zinc oxide, 0.1-0.6 part of stearic acid, 0.3-0.7 part of sulphur and 0.3-0.7 part of accelerant, wherein the total weight of the nitrile rubber, the butadiene rubber and the phenolic resin is not less than 19 parts. The composition brake shoe provided by the invention overcomes the shortcomings of the prior art and has the excellent performances of high finished product ratio, low energy consumption and low noise in the brake area.